Originally Posted by
chaadster
That's pretty neat; I've not seen it before. I wonder can you feel the butted ends when rolling?
I would very surprised if you could - just as you cannot feel patches, properly applied tire boots, thick or thin spots in the tube...
The only thing you can always 'feel' is a tire with damaged cords or warped casing, or an improperly mounted tire. The tube has no effect on the shape of the tire.